55448143 has 2 divisors, whose sum is σ = 55448144. Its totient is φ = 55448142.

The previous prime is 55448131. The next prime is 55448153. The reversal of 55448143 is 34184455.

55448143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55448143 - 2⁵ = 55448111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55448099 and 55448108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55448153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27724071 + 27724072.

It is an arithmetic number, because the mean of its divisors is an integer number (27724072).

Almost surely, 2^55448143 is an apocalyptic number.

55448143 is a deficient number, since it is larger than the sum of its proper divisors (1).

55448143 is an equidigital number, since it uses as much as digits as its factorization.

55448143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 34.

The square root of 55448143 is about 7446.3509855499. The cubic root of 55448143 is about 381.3253421645.

The spelling of 55448143 in words is "fifty-five million, four hundred forty-eight thousand, one hundred forty-three".